Node.js skill for Cursor, Claude Code, Codex, and OpenCode that renders typed JSON into validated HTML/SVG architecture diagrams.
Read moreOpen Source Mermaid Alternative
A curated, ranked list of the best open-source Mermaid alternatives, compared by GitHub stars, license, and self-hosting options.
The best open source alternative to Mermaid is Archify. If that doesn't suit you, we've compiled a ranked list of open source Mermaid alternatives to help you find a replacement.
Written by Ege Beşe
Your brand here — Reach our audience of professional directory owners and boost your sales.